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Question

State your observations on each of the following reactions.

When dilute Hydrochloric acid (HCl) is added to Sodium carbonate crystals (Na2CO3).


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Solution

  • Dilute Hydrochloric acid and Sodium carbonate reacts together to form Sodium chloride, water, and Carbon dioxide.
  • This is a neutralization reaction and proceeds with brisk effervescence.
  • The reaction happening here can be represented by the following chemical equation, Na2CO3(s)+2HCl(dil.)β†’2NaCl(aq)+H2O(l)+CO2(g)SodiumHydrochloricSodiumWaterCarboncarbonateacidchloridedioxide
  • Therefore, on reacting dilute Hydrochloric acid and Sodium carbonate, brisk effervescence is observed due to liberation of Carbon dioxide.


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